Gateway Guide: St. Louis District Mobility December 2019/January/February 2020

2020·8.3 MB·English

by  Missouri Department of Transportation

ST. LOUIS DISTRIC T M O BILITY
QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANUARY / FEBRUARY 2020| EDITION NO. 10

Table of Contents

EXECUTIVE SUMMARY 1-5
Provide Outstanding
Customer Service & Deliver

Transportation Services of
Great Value

FREEWAY MANAGEMENT 6-17
Operate a Reliable and
Convenient Transportation
System
Use Resources Wisely &
Advance Economic
Development

WORK ZONE 18-19
MANAGEMENT
Keep Roads and Bridges in
Good Condition ember - Febru cember - Februa
9 User Delay C -20 User Delay Cos
INCIDENT MANAGEMENT 20-48 Millions Millions
Keep Customers and
Ourselves Safe

December 2018 thru February 2019 Grand Total and Average December 2019 thru February 2020 Grand Total and Average

Delay cost: Vehicle Miles traveled (VMT) Delay cost: Vehicle Miles traveled (VMT)

Total $22,210,801 Total: 2,142,501,138 miles Total $20,654,512 Total: 2,171,276,186 miles

Hours of delay Passenger: 1,928,251,024 miles Hours of delay Passenger: 1,954,148,567 miles
Person-hours: 1,019,502h 40m Commercial: 214,250,114 miles Person-hours: 948,067h 5m Commercial: 217,127,619 miles
Vehicle hours: 832,247h 4m Delay per VMT: 0.0233 mins/mile Vehicle hours: 773,932h 19m Delay per VMT: 0.0214 mins/mile
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EXECUTIVE SUMMARY
MoDOT
ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANUARY / FEBRUARY 2020

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EXECUTIVE SUMMARY

ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANUARY / FEBRUARY 2020

2018 Year vs 2019 Year Comparison

2018 Grand Total and Average 2019 Grand Total and Average
Delay cost: Vehicle Miles traveled (VMT) Delay cost: Vehicle Miles traveled (VMT)
Total $77,207,278 Total: 8,636,290,697 miles Total $99,861,870 Total: 8,680,287,713 miles
Hours of delay Passenger: 7,772,661,628 miles Hours of delay Passenger: 7,812,258,942 miles
Person-hours: 3,543,907h 28m Commercial: 863,629,070 miles Person-hours: 4,583,780h 36m Commercial: 868,028,771 miles
Vehicle hours: 2,892,985h 41m Delay per VMT: 0.0201 mins/mile Vehicle hours: 3,741,861h 42m Delay per VMT: 0.0259 mins/mile
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EXECUTIVE SUMMARY
MoDOT
ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANUARY / FEBRUARY 2020

ZONING I N

Fatal Crash Clearance times improved by 9.5% this quarter and 4.3 % TMS Work Zones:
in 2019 compared to 2018 Dec 2019: 169
Jan 2020: 143
The number of tractor trailer incidents decreased 17.69% - Feb 2020: 169
Work Zone Impact Breakdown:
Work zone crashes increased by 60.0% compared to Winter of 2019
Major: 16– 3.6%

Overall Regional Mobility for the winter quarter decreased slightly
Moderate: 24– 5.4%
during the AM peak. PM peak mobility increased.
Minor: 407– 91.0%
Northbound I-270 at Manchester MO 100 took over the top congested
WORK ZONE CRASHES: 45
spot this quarter same as the previous year to date

Planned Event

Location: Eastbound / Westbound I-44 at I-270
Date: Entire Quarter
Event Detail: Continued Bridge work - daily lane closures and additional travel times of up to 23 minutes during non-peak hours.
Unplanned Event

Location: Westbound I-270 past Northbound I-170
Event Detail: Police Investigation for a shooting resulting in a two-vehicle crash and a secondary crash.
TMC personnel overheard emergency units being dispatched to a crash on Westbound I-270 west of I-170 while actively
Date: 12-13
monitoring scanner traffic. A driver of a passenger vehicle was fatally shot. The vehicle was hit numerous times causing the
driver to lose control and collide with a tractor trailer. The driver was pronounced at the scene. All westbound lanes of the
interstate were closed while the Major Case Squad investigated the homicide. Traffic queued 2.5 miles.

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EXECUTIVE SUMMARY
MoDOT
ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANUARY / FEBRUARY 2020

Top 5 Congestion Locations / December 2018 – February 2019 vs. December 2019 – February 2020

*Locations ranked on Weighted Total Impact (Raw speed drop weighted by Vehicle Miles Traveled VMT Factor)
Congestion Locations 2018-19 *Weighted Average Average Daily Total Duration
Total Queue Duration
Impact Length Miles
NB I-270 @ MO 100
1 Manchester Road 57,787,496 6.02 37m 2d 8h 26m
2 SB I-170 @ Galleria Parkway 47,527,204 1.53 2h 4m 7d 18h 36m
3 SB I-270 @Dougherty Ferry 47,422,733 6.27 27m 1d 16h 42m
4 WB I-44 @ Jamieson Avenue 46,411,915 1.9 1h 39 m 6d 4h 51m
5 EB I-64 @Big Bend Boulevard 43,571,310 3.07 1h 4 m 4d 13m

Congestion Locations 2019-20 *Weighted Average Average Daily Total Duration
Total Queue Duration
Impact Length Miles
1 NB I-270 @ MO 100
Manchester Road 58,808,289 6.4 40m 2d 12h 48m
2 EB I-44 @ Highway Drive Exit
275 56,013,194 1.95 3h 1m 11d 11h 18m
3 NB I-270 @ Dougherty Ferry 48,466,870 5.35 41m 13d 6h 47m
4 SB I-270 @Dougherty Ferry 47,865,705 6.02 30 m 5d 5h 30m
5 WB I-64 @ Clayton Road 43,828958 2.32 1h 39m 6d 6h 33m
Average Incident Duration Comparison / 2018-19 vs. 2019-20
Month Average Incident Duration 2018 2019
(Minutes : Seconds)
December Lane Clearance 27:45 28:53
December Incident Clearance 33:07 32:52
Month Average Incident Duration 2019 2020
January Lane Clearance 39:31 28:38
January Incident Clearance 31:03 33:49
February Lane Clearance 29:38 27:07
February Incident Clearance 33:34 31:42
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANAURY / FEBRUARY 2020

SLIGHT DECREASE in Overall AM Mobility

AM Peak Mobility December 2018/January/February 2019 vs December 2019/January/Feb ruary 2020 *

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Mercy Mercy
Hospita/ Hospital ..
Washington Wasllington
a • a CD

Big River Big River
2018-19 Regional % of free-flow speed hourly breakdown**: 2019-20
2018-19 2019-20
> 90 % of free-flow speed 6 AM 100% → 100% *
□ 7am hour shown
7 AM 94.0% → 93.8%
85% - 90 % of free-flow speed
□ **Regional % of free-flow speed is the
8 AM 95.2% → 94.8%
80 % - 85 % of free-flow speed averaged % of free-flow speeds for all
□
9 AM 100% → 100% directions of all freeways within the St.
< 80 % of free-flow speed
■ Louis District. This provides a high-level
6 measurement of overall regional mobility
for each peak hour.
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANAURY / FEBRUARY 2020

Highlighted Corridor AM Summary
I-55
Comparing AM December 2018/January/February 2019 vs December 2019/January/February 2020
NB I-55 AM Overall Mobility DECREASED for the AM peak from 2018-2019
→ 2019-2020. Mobility decreased during the 6am and 7am hours, but the
8am hour saw a slight +1.2% increase in mobility.
SB I-55 AM Overall Mobility INCREASED for the AM peak from 2018-2019
→ 2019-2020. Slight increase in mobility during the 8am and 9am hours.
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANAURY / FEBRUARY 2020

AM 2018-19 NB I-55

Congestion for 1-55 Northbound between Jefferson/Ste Genevieve Co Line and 1-44/1-55/Gravois/Exit 207 using HERE data
Averaged by 2 minutes for December 2018 through February 2019 (Every weekday)
December 2018 through F,pbruary 2019 (Every Wttkday)
C6 AJM C7 AJM 8 AM 9 AM
....
•
1
....
,
5
....
,
2

20mi
....
,
3

JOmi
35mi
....
congestion (%)
0 50 80 85 90
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANAURY / FEBRUARY 2020

AM 2019-20 NB I-55

Congestion for 1-55 Northbound between Jefferson/Ste Genevieve Co Line and 1-44/1-55/Gravois/Exit 207 using HERE data
Averaged by 2 minutes for December 2019 through February 2020 (Every weekday)
6 AM C7 AJM 8 AM 9 AM
1
Decreased mobility between
Loughborough Ave and Gasconade
from 6:45am - 7:30am.
2
Decreased mobility between Lindbergh
and Union from 7:15am – 7:45am.
3
Decreased mobility between MO-A and
MO-Z from 6:30am - 7:45am.

I
Congestion (%)
0 50 80 85 90
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FREEWAY MANAGEMENT

ST. LOUIS DISTRICT ◼ QUARTERLY REGIONAL MOBILITY REPORT ◼ DECEMBER 2019 / JANAURY / FEBRUARY 2020

AM 2018-19 SB I-55

Congestion for 1-55 Southbound between Jefferson/Ste Genevieve Co Line and 1-44/1-55/Gravois/Exit 207 using HERE data
Averaged by 2 minutes for December 2018 through February 2019 (Every weekday)
December 2018 through February 2019 (Evt>ry WHkday) D
c6 :AMJ c7 :AMJ c8 :AMJ 9 AM
Congestion (%)
0 50 80 85 90
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